-- @testpoint: opengauss关键字condition_number(非保留)，作为函数名，部分测试点合理报错

--关键字不带引号-成功
drop function if exists condition_number;
create function condition_number(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
drop function if exists condition_number;
--关键字带双引号-成功
drop function if exists "condition_number";
create function "condition_number"(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
drop function if exists "condition_number";
--关键字带单引号-合理报错
drop function if exists 'condition_number';
create function 'condition_number'(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带反引号-合理报错
drop function if exists `condition_number`;
create function `condition_number`(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/